Question

Which of the following is an example of mode of transport making use of air pressure ?

A

Sailing boat in an ocean

B

Rowing boat on a windy day

C

Aeroplane in a sky

D

All the above

Medium

Solution

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Correct option is
D

All the above

A moving boat's sail is shaped as an airfoil like the wing of a plane. When air moves over a plane's wing, from front to back, wind flowing over the top of the wing has to travel farther than wind flowing under the wing's bottom surface. This creates a pressure difference that lifts the plane.
Hence all the above is the answer.

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